<!DOCTYPE html>
<style>
    thead, tr { break-inside:avoid; }
</style>
<p>There should be hotpink, lime, cyan, yellow and blue squares below, stacked vertically.</p>
<div id="container" style="columns:5; column-fill:auto; height:85px; line-height:40px;">
    <table cellspacing="0" cellpadding="0">
        <col style="width:40px;">
        <thead>
            <tr>
                <td><br></td>
            </tr>
        </thead>
        <tbody>
            <tr style="background:hotpink;" data-offset-y="40" data-expected-height="40">
                <td><br></td>
            </tr>
            <tr style="background:lime;" data-offset-y="80" data-expected-height="40">
                <td><br></td>
            </tr>
            <tr style="background:cyan;" data-offset-y="120" data-expected-height="40">
                <td><br></td>
            </tr>
            <tr style="background:yellow;" data-offset-y="160" data-expected-height="40">
                <td><br></td>
            </tr>
            <tr style="background:blue;" data-offset-y="200" data-expected-height="40">
                <td><br></td>
            </tr>
        </tbody>
    </table>
</div>
<script src="../resources/check-layout.js"></script>
<script>
    document.body.offsetTop;
    document.getElementById("container").style.columns = "auto";
    document.getElementById("container").style.height = "auto";
    checkLayout("#container");
</script>
